Table 11 Information entropy comparison.

From: Image encryption scheme based on thorp shuffle and pseudo dequeue

Algorithms

Images

Plain image

Cipher image

This paper

Baboon

7.3579

7.9993

Goldhill

7.4778

7.9994

Peppers

7.5715

7.9993

Boat

7.1572

7.9969

House

6.4971

7.9968

Lake

7.4585

7.9969

Finger

7.5945

7.9975

Ref.48

Baboon

—

7.9971

Ref.49

Baboon

—

7.9976

Ref.51

Baboon

—

7.9975

Ref.53

Baboon

—

7.9975

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